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;;; Catbird Game Engine
;;; Copyright © 2023 David Thompson <davet@gnu.org>
;;;
;;; Licensed under the Apache License, Version 2.0 (the "License");
;;; you may not use this file except in compliance with the License.
;;; You may obtain a copy of the License at
;;;
;;; http://www.apache.org/licenses/LICENSE-2.0
;;;
;;; Unless required by applicable law or agreed to in writing, software
;;; distributed under the License is distributed on an "AS IS" BASIS,
;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;;; See the License for the specific language governing permissions and
;;; limitations under the License.
(define-module (tests math)
#:use-module (catbird math)
#:use-module (chickadee math vector)
#:use-module (srfi srfi-64)
#:use-module (tests utils))
(with-tests "math"
(test-group "vec"
(test-equal "with 2 numbers"
(vec2 1.0 2.0)
(vec 1.0 2.0))
(test-equal "with 3 numbers"
(vec3 1.0 2.0 3.0)
(vec 1.0 2.0 3.0))
(test-equal "with a number and a vec2"
(vec3 1.0 2.0 3.0)
(vec 1.0 (vec 2.0 3.0)))
(test-equal "with a vec2 and a number"
(vec3 1.0 2.0 3.0)
(vec (vec 1.0 2.0) 3.0)))
(test-group "+"
(test-equal "with 2 vec2s"
(vec2 4.0 6.0)
(+ (vec 1.0 2.0) (vec 3.0 4.0)))
(test-equal "with a vec2 and a number"
(vec2 4.0 5.0)
(+ (vec 1.0 2.0) 3.0))
(test-equal "with a number and a vec2"
(vec2 4.0 5.0)
(+ 3.0 (vec 1.0 2.0)))
(test-equal "with 2 vec3s"
(vec3 5.0 7.0 9.0)
(+ (vec 1.0 2.0 3.0) (vec 4.0 5.0 6.0)))
(test-equal "with a vec3 and a number"
(vec3 5.0 6.0 7.0)
(+ (vec 1.0 2.0 3.0) 4.0))
(test-equal "with a number and a vec3"
(vec3 5.0 6.0 7.0)
(+ 4.0 (vec 1.0 2.0 3.0))))
(test-group "-"
(test-equal "with 2 vec2s"
(vec2 2.0 1.0)
(- (vec 3.0 2.0) (vec 1.0 1.0)))
(test-equal "with a vec2 and a number"
(vec2 2.0 1.0)
(- (vec 3.0 2.0) 1.0))
(test-equal "with 2 vec3s"
(vec3 3.0 2.0 1.0)
(- (vec 4.0 3.0 2.0) (vec 1.0 1.0 1.0)))
(test-equal "with a vec3 and a number"
(vec3 3.0 2.0 1.0)
(- (vec 4.0 3.0 2.0) 1.0)))
(test-group "*"
(test-equal "with 2 vec2s"
(vec2 3.0 8.0)
(* (vec 1.0 2.0) (vec 3.0 4.0)))
(test-equal "with a vec2 and a number"
(vec2 3.0 6.0)
(* (vec 1.0 2.0) 3.0))
(test-equal "with a number and a vec2"
(vec2 3.0 6.0)
(* 3.0 (vec 1.0 2.0)))
(test-equal "with 2 vec3s"
(vec3 4.0 10.0 18.0)
(* (vec 1.0 2.0 3.0) (vec 4.0 5.0 6.0)))
(test-equal "with a vec3 and a number"
(vec3 4.0 8.0 12.0)
(* (vec 1.0 2.0 3.0) 4.0))
(test-equal "with a number and a vec3"
(vec3 4.0 8.0 12.0)
(* 4.0 (vec 1.0 2.0 3.0))))
(test-group "/"
(test-equal "with 2 vec2s"
(vec2 2.0 3.0)
(/ (vec 4.0 9.0) (vec 2.0 3.0)))
(test-equal "with a vec2 and a number"
(vec2 2.0 4.0)
(/ (vec 4.0 8.0) 2.0))
(test-equal "with 2 vec3s"
(vec3 2.0 3.0 4.0)
(/ (vec 4.0 9.0 16.0) (vec 2.0 3.0 4.0)))
(test-equal "with a vec3 and a number"
(vec3 2.0 4.0 6.0)
(/ (vec 4.0 8.0 12.0) 2.0))))
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